Merge pull request #297 from marineam/python

bump(dev-lang/python): Sync with upstream python-2.7.5-r4
2025-08-16 01:16:59 +02:00 · 2014-01-09 17:18:45 -08:00 · 2014-01-09 17:18:45 -08:00 · 81da8f0836
commit 81da8f0836
parent c31c046554 d19f338d0f
4 changed files with 691 additions and 0 deletions
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7-issue16248.patch
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7-issue16248.patch
@ -0,0 +1,19 @@
+# HG changeset patch
+# User Antoine Pitrou <solipsis@pitrou.net>
+# Date 1375388712 -7200
+# Node ID 0f17aed78168e63ec058c219d03cea7240f83dd6
+# Parent  bb546f6d8ab4f513804d7a420657963881e5b447
+Fix tkinter regression introduced by the security fix in #16248.
+
+diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
+--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
+@@ -1736,7 +1736,7 @@ class Tk(Misc, Wm):
+         # ensure that self.tk is always _something_.
+         self.tk = None
+         if baseName is None:
+-            import sys, os
+            import os
+             baseName = os.path.basename(sys.argv[0])
+             baseName, ext = os.path.splitext(baseName)
+             if ext not in ('.py', '.pyc', '.pyo'):
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7-issue18851.patch
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7-issue18851.patch
@ -0,0 +1,287 @@
+# HG changeset patch
+# User Antoine Pitrou <solipsis@pitrou.net>
+# Date 1377898693 -7200
+# Node ID 43749cb6bdbd0fdab70f76cd171c3c02a3f600dd
+# Parent  ba54011aa295004ad87438211fe3bb1568dd69ab
+Issue #18851: Avoid a double close of subprocess pipes when the child process fails starting.
+
+diff --git a/Lib/subprocess.py b/Lib/subprocess.py
+--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
+@@ -698,12 +698,12 @@ class Popen(object):
+ 
+         (p2cread, p2cwrite,
+          c2pread, c2pwrite,
+-         errread, errwrite) = self._get_handles(stdin, stdout, stderr)
+         errread, errwrite), to_close = self._get_handles(stdin, stdout, stderr)
+ 
+         try:
+             self._execute_child(args, executable, preexec_fn, close_fds,
+                                 cwd, env, universal_newlines,
+-                                startupinfo, creationflags, shell,
+                                startupinfo, creationflags, shell, to_close,
+                                 p2cread, p2cwrite,
+                                 c2pread, c2pwrite,
+                                 errread, errwrite)
+@@ -711,18 +711,12 @@ class Popen(object):
+             # Preserve original exception in case os.close raises.
+             exc_type, exc_value, exc_trace = sys.exc_info()
+ 
+-            to_close = []
+-            # Only close the pipes we created.
+-            if stdin == PIPE:
+-                to_close.extend((p2cread, p2cwrite))
+-            if stdout == PIPE:
+-                to_close.extend((c2pread, c2pwrite))
+-            if stderr == PIPE:
+-                to_close.extend((errread, errwrite))
+-
+             for fd in to_close:
+                 try:
+-                    os.close(fd)
+                    if mswindows:
+                        fd.Close()
+                    else:
+                        os.close(fd)
+                 except EnvironmentError:
+                     pass
+ 
+@@ -816,8 +810,9 @@ class Popen(object):
+             """Construct and return tuple with IO objects:
+             p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite
+             """
+            to_close = set()
+             if stdin is None and stdout is None and stderr is None:
+-                return (None, None, None, None, None, None)
+                return (None, None, None, None, None, None), to_close
+ 
+             p2cread, p2cwrite = None, None
+             c2pread, c2pwrite = None, None
+@@ -835,6 +830,10 @@ class Popen(object):
+                 # Assuming file-like object
+                 p2cread = msvcrt.get_osfhandle(stdin.fileno())
+             p2cread = self._make_inheritable(p2cread)
+            # We just duplicated the handle, it has to be closed at the end
+            to_close.add(p2cread)
+            if stdin == PIPE:
+                to_close.add(p2cwrite)
+ 
+             if stdout is None:
+                 c2pwrite = _subprocess.GetStdHandle(_subprocess.STD_OUTPUT_HANDLE)
+@@ -848,6 +847,10 @@ class Popen(object):
+                 # Assuming file-like object
+                 c2pwrite = msvcrt.get_osfhandle(stdout.fileno())
+             c2pwrite = self._make_inheritable(c2pwrite)
+            # We just duplicated the handle, it has to be closed at the end
+            to_close.add(c2pwrite)
+            if stdout == PIPE:
+                to_close.add(c2pread)
+ 
+             if stderr is None:
+                 errwrite = _subprocess.GetStdHandle(_subprocess.STD_ERROR_HANDLE)
+@@ -863,10 +866,14 @@ class Popen(object):
+                 # Assuming file-like object
+                 errwrite = msvcrt.get_osfhandle(stderr.fileno())
+             errwrite = self._make_inheritable(errwrite)
+            # We just duplicated the handle, it has to be closed at the end
+            to_close.add(errwrite)
+            if stderr == PIPE:
+                to_close.add(errread)
+ 
+             return (p2cread, p2cwrite,
+                     c2pread, c2pwrite,
+-                    errread, errwrite)
+                    errread, errwrite), to_close
+ 
+ 
+         def _make_inheritable(self, handle):
+@@ -895,7 +902,7 @@ class Popen(object):
+ 
+         def _execute_child(self, args, executable, preexec_fn, close_fds,
+                            cwd, env, universal_newlines,
+-                           startupinfo, creationflags, shell,
+                           startupinfo, creationflags, shell, to_close,
+                            p2cread, p2cwrite,
+                            c2pread, c2pwrite,
+                            errread, errwrite):
+@@ -934,6 +941,10 @@ class Popen(object):
+                     # kill children.
+                     creationflags |= _subprocess.CREATE_NEW_CONSOLE
+ 
+            def _close_in_parent(fd):
+                fd.Close()
+                to_close.remove(fd)
+
+             # Start the process
+             try:
+                 hp, ht, pid, tid = _subprocess.CreateProcess(executable, args,
+@@ -958,11 +969,11 @@ class Popen(object):
+                 # pipe will not close when the child process exits and the
+                 # ReadFile will hang.
+                 if p2cread is not None:
+-                    p2cread.Close()
+                    _close_in_parent(p2cread)
+                 if c2pwrite is not None:
+-                    c2pwrite.Close()
+                    _close_in_parent(c2pwrite)
+                 if errwrite is not None:
+-                    errwrite.Close()
+                    _close_in_parent(errwrite)
+ 
+             # Retain the process handle, but close the thread handle
+             self._child_created = True
+@@ -1088,6 +1099,7 @@ class Popen(object):
+             """Construct and return tuple with IO objects:
+             p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite
+             """
+            to_close = set()
+             p2cread, p2cwrite = None, None
+             c2pread, c2pwrite = None, None
+             errread, errwrite = None, None
+@@ -1096,6 +1108,7 @@ class Popen(object):
+                 pass
+             elif stdin == PIPE:
+                 p2cread, p2cwrite = self.pipe_cloexec()
+                to_close.update((p2cread, p2cwrite))
+             elif isinstance(stdin, int):
+                 p2cread = stdin
+             else:
+@@ -1106,6 +1119,7 @@ class Popen(object):
+                 pass
+             elif stdout == PIPE:
+                 c2pread, c2pwrite = self.pipe_cloexec()
+                to_close.update((c2pread, c2pwrite))
+             elif isinstance(stdout, int):
+                 c2pwrite = stdout
+             else:
+@@ -1116,6 +1130,7 @@ class Popen(object):
+                 pass
+             elif stderr == PIPE:
+                 errread, errwrite = self.pipe_cloexec()
+                to_close.update((errread, errwrite))
+             elif stderr == STDOUT:
+                 errwrite = c2pwrite
+             elif isinstance(stderr, int):
+@@ -1126,7 +1141,7 @@ class Popen(object):
+ 
+             return (p2cread, p2cwrite,
+                     c2pread, c2pwrite,
+-                    errread, errwrite)
+                    errread, errwrite), to_close
+ 
+ 
+         def _set_cloexec_flag(self, fd, cloexec=True):
+@@ -1170,7 +1185,7 @@ class Popen(object):
+ 
+         def _execute_child(self, args, executable, preexec_fn, close_fds,
+                            cwd, env, universal_newlines,
+-                           startupinfo, creationflags, shell,
+                           startupinfo, creationflags, shell, to_close,
+                            p2cread, p2cwrite,
+                            c2pread, c2pwrite,
+                            errread, errwrite):
+@@ -1189,6 +1204,10 @@ class Popen(object):
+             if executable is None:
+                 executable = args[0]
+ 
+            def _close_in_parent(fd):
+                os.close(fd)
+                to_close.remove(fd)
+
+             # For transferring possible exec failure from child to parent
+             # The first char specifies the exception type: 0 means
+             # OSError, 1 means some other error.
+@@ -1283,17 +1302,17 @@ class Popen(object):
+                     # be sure the FD is closed no matter what
+                     os.close(errpipe_write)
+ 
+-                if p2cread is not None and p2cwrite is not None:
+-                    os.close(p2cread)
+-                if c2pwrite is not None and c2pread is not None:
+-                    os.close(c2pwrite)
+-                if errwrite is not None and errread is not None:
+-                    os.close(errwrite)
+-
+                 # Wait for exec to fail or succeed; possibly raising exception
+                 # Exception limited to 1M
+                 data = _eintr_retry_call(os.read, errpipe_read, 1048576)
+             finally:
+                if p2cread is not None and p2cwrite is not None:
+                    _close_in_parent(p2cread)
+                if c2pwrite is not None and c2pread is not None:
+                    _close_in_parent(c2pwrite)
+                if errwrite is not None and errread is not None:
+                    _close_in_parent(errwrite)
+
+                 # be sure the FD is closed no matter what
+                 os.close(errpipe_read)
+ 
+diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
+--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
+@@ -14,6 +14,10 @@ try:
+     import resource
+ except ImportError:
+     resource = None
+try:
+    import threading
+except ImportError:
+    threading = None
+ 
+ mswindows = (sys.platform == "win32")
+ 
+@@ -629,6 +633,36 @@ class ProcessTestCase(BaseTestCase):
+             if c.exception.errno not in (errno.ENOENT, errno.EACCES):
+                 raise c.exception
+ 
+    @unittest.skipIf(threading is None, "threading required")
+    def test_double_close_on_error(self):
+        # Issue #18851
+        fds = []
+        def open_fds():
+            for i in range(20):
+                fds.extend(os.pipe())
+                time.sleep(0.001)
+        t = threading.Thread(target=open_fds)
+        t.start()
+        try:
+            with self.assertRaises(EnvironmentError):
+                subprocess.Popen(['nonexisting_i_hope'],
+                                 stdin=subprocess.PIPE,
+                                 stdout=subprocess.PIPE,
+                                 stderr=subprocess.PIPE)
+        finally:
+            t.join()
+            exc = None
+            for fd in fds:
+                # If a double close occurred, some of those fds will
+                # already have been closed by mistake, and os.close()
+                # here will raise.
+                try:
+                    os.close(fd)
+                except OSError as e:
+                    exc = e
+            if exc is not None:
+                raise exc
+
+     def test_handles_closed_on_exception(self):
+         # If CreateProcess exits with an error, ensure the
+         # duplicate output handles are released
+@@ -783,7 +817,7 @@ class POSIXProcessTestCase(BaseTestCase)
+ 
+         def _execute_child(
+                 self, args, executable, preexec_fn, close_fds, cwd, env,
+-                universal_newlines, startupinfo, creationflags, shell,
+                universal_newlines, startupinfo, creationflags, shell, to_close,
+                 p2cread, p2cwrite,
+                 c2pread, c2pwrite,
+                 errread, errwrite):
+@@ -791,7 +825,7 @@ class POSIXProcessTestCase(BaseTestCase)
+                 subprocess.Popen._execute_child(
+                         self, args, executable, preexec_fn, close_fds,
+                         cwd, env, universal_newlines,
+-                        startupinfo, creationflags, shell,
+                        startupinfo, creationflags, shell, to_close,
+                         p2cread, p2cwrite,
+                         c2pread, c2pwrite,
+                         errread, errwrite)
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7.5-nonfatal-compileall.patch
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python/files/python-2.7.5-nonfatal-compileall.patch
@ -0,0 +1,18 @@
+diff --git a/Makefile.pre.in b/Makefile.pre.in
+--- a/Makefile.pre.in
+++ b/Makefile.pre.in
+@@ -1000,12 +1000,12 @@
+ 		$(INSTALL_DATA) $(srcdir)/Modules/xxmodule.c \
+ 			$(DESTDIR)$(LIBDEST)/distutils/tests ; \
+ 	fi
+-	PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
+ 		$(PYTHON_FOR_BUILD) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \
+ 		-d $(LIBDEST) -f \
+ 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+ 		$(DESTDIR)$(LIBDEST)
+-	PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+ 		$(PYTHON_FOR_BUILD) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \
+ 		-d $(LIBDEST) -f \
+ 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/python/python-2.7.5-r4.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python/python-2.7.5-r4.ebuild
@ -0,0 +1,367 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/python-2.7.5-r4.ebuild,v 1.3 2013/12/30 21:57:26 floppym Exp $
+
+EAPI="4"
+WANT_AUTOMAKE="none"
+WANT_LIBTOOL="none"
+
+inherit autotools eutils flag-o-matic multilib pax-utils python-utils-r1 toolchain-funcs multiprocessing
+
+MY_P="Python-${PV}"
+PATCHSET_REVISION="0"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="http://www.python.org/"
+SRC_URI="http://www.python.org/ftp/python/${PV}/${MY_P}.tar.xz
+	mirror://gentoo/python-gentoo-patches-${PV}-${PATCHSET_REVISION}.tar.xz"
+
+LICENSE="PSF-2"
+SLOT="2.7"
+KEYWORDS="~alpha amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
+IUSE="-berkdb build doc elibc_uclibc examples gdbm hardened ipv6 +ncurses +readline sqlite +ssl +threads tk +wide-unicode wininst +xml"
+
+# Do not add a dependency on dev-lang/python to this ebuild.
+# If you need to apply a patch which requires python for bootstrapping, please
+# run the bootstrap code on your dev box and include the results in the
+# patchset. See bug 447752.
+
+RDEPEND="app-arch/bzip2
+	>=sys-libs/zlib-1.1.3
+	virtual/libffi
+	virtual/libintl
+	!build? (
+		berkdb? ( || (
+			sys-libs/db:5.3
+			sys-libs/db:5.2
+			sys-libs/db:5.1
+			sys-libs/db:5.0
+			sys-libs/db:4.8
+			sys-libs/db:4.7
+			sys-libs/db:4.6
+			sys-libs/db:4.5
+			sys-libs/db:4.4
+			sys-libs/db:4.3
+			sys-libs/db:4.2
+		) )
+		gdbm? ( sys-libs/gdbm[berkdb] )
+		ncurses? (
+			>=sys-libs/ncurses-5.2
+			readline? ( >=sys-libs/readline-4.1 )
+		)
+		sqlite? ( >=dev-db/sqlite-3.3.8:3 )
+		ssl? ( dev-libs/openssl )
+		tk? (
+			>=dev-lang/tk-8.0
+			dev-tcltk/blt
+		)
+		xml? ( >=dev-libs/expat-2.1 )
+	)
+	!!<sys-apps/portage-2.1.9"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig
+	>=sys-devel/autoconf-2.65
+	!sys-devel/gcc[libffi]"
+RDEPEND+=" !build? ( app-misc/mime-types )
+	doc? ( dev-python/python-docs:${SLOT} )"
+PDEPEND="app-admin/eselect-python
+	app-admin/python-updater"
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	if use berkdb; then
+		ewarn "'bsddb' module is out-of-date and no longer maintained inside"
+		ewarn "dev-lang/python. 'bsddb' and 'dbhash' modules have been additionally"
+		ewarn "removed in Python 3. A maintained alternative of 'bsddb3' module"
+		ewarn "is provided by dev-python/bsddb3."
+	else
+		if has_version "=${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"; then
+			ewarn "You are migrating from =${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"
+			ewarn "to =${CATEGORY}/${PN}-${PV%%.*}*[-berkdb]."
+			ewarn "You might need to migrate your databases."
+		fi
+	fi
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -r Modules/expat || die
+	rm -r Modules/_ctypes/libffi* || die
+	rm -r Modules/zlib || die
+
+	if tc-is-cross-compiler; then
+		local EPATCH_EXCLUDE="*_regenerate_platform-specific_modules.patch"
+	fi
+
+	EPATCH_SUFFIX="patch" epatch "${WORKDIR}/${PV}-${PATCHSET_REVISION}"
+
+	epatch "${FILESDIR}/${P}-library-path.patch" #474882
+	epatch "${FILESDIR}/${P}-re_unsigned_ptrdiff.patch" #476426
+	epatch "${FILESDIR}/CVE-2013-4238_py27.patch"
+	epatch "${FILESDIR}/python-2.7-issue16248.patch"
+	epatch "${FILESDIR}/python-2.7-issue18851.patch"
+
+	# Fix for cross-compiling.
+	epatch "${FILESDIR}/python-2.7.5-nonfatal-compileall.patch"
+	epatch "${FILESDIR}/python-2.7.5-cross-distutils.patch"
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		Lib/distutils/command/install.py \
+		Lib/distutils/sysconfig.py \
+		Lib/site.py \
+		Lib/sysconfig.py \
+		Lib/test/test_site.py \
+		Makefile.pre.in \
+		Modules/Setup.dist \
+		Modules/getpath.c \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	epatch_user
+
+	eautoconf
+	eautoheader
+}
+
+src_configure() {
+	if use build; then
+		# Disable extraneous modules with extra dependencies.
+		export PYTHON_DISABLE_MODULES="dbm _bsddb gdbm _curses _curses_panel readline _sqlite3 _tkinter _elementtree pyexpat"
+		export PYTHON_DISABLE_SSL="1"
+	else
+		# dbm module can be linked against berkdb or gdbm.
+		# Defaults to gdbm when both are enabled, #204343.
+		local disable
+		use berkdb   || use gdbm || disable+=" dbm"
+		use berkdb   || disable+=" _bsddb"
+		use gdbm     || disable+=" gdbm"
+		use ncurses  || disable+=" _curses _curses_panel"
+		use readline || disable+=" readline"
+		use sqlite   || disable+=" _sqlite3"
+		use ssl      || export PYTHON_DISABLE_SSL="1"
+		use tk       || disable+=" _tkinter"
+		use xml      || disable+=" _elementtree pyexpat" # _elementtree uses pyexpat.
+		export PYTHON_DISABLE_MODULES="${disable}"
+
+		if ! use xml; then
+			ewarn "You have configured Python without XML support."
+			ewarn "This is NOT a recommended configuration as you"
+			ewarn "may face problems parsing any XML documents."
+		fi
+	fi
+
+	if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+		einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+	fi
+
+	if [[ "$(gcc-major-version)" -ge 4 ]]; then
+		append-flags -fwrapv
+	fi
+
+	filter-flags -malign-double
+
+	[[ "${ARCH}" == "alpha" ]] && append-flags -fPIC
+
+	# https://bugs.gentoo.org/show_bug.cgi?id=50309
+	if is-flagq -O3; then
+		is-flagq -fstack-protector-all && replace-flags -O3 -O2
+		use hardened && replace-flags -O3 -O2
+	fi
+
+	if tc-is-cross-compiler; then
+		# The configure script assumes it's buggy when cross-compiling.
+		export ac_cv_buggy_getaddrinfo=no
+		export ac_cv_have_long_long_format=yes
+
+		# The configure script requires this to be explicit
+		export ac_cv_file__dev_ptmx=yes
+		export ac_cv_file__dev_ptc=no
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python2.X/config/Makefile.
+	tc-export CXX
+	# The configure script fails to use pkg-config correctly.
+	# http://bugs.python.org/issue15506
+	export ac_cv_path_PKG_CONFIG=$(tc-getPKG_CONFIG)
+
+	# Set LDFLAGS so we link modules with -lpython2.7 correctly.
+	# Needed on FreeBSD unless Python 2.7 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+	if use berkdb; then
+		dbmliborder+="${dbmliborder:+:}bdb"
+	fi
+
+	BUILD_DIR="${WORKDIR}/${CHOST}"
+	mkdir -p "${BUILD_DIR}" || die
+	cd "${BUILD_DIR}" || die
+
+	ECONF_SOURCE="${S}" OPT="" \
+	econf \
+		--with-fpectl \
+		--enable-shared \
+		$(use_enable ipv6) \
+		$(use_with threads) \
+		$(use wide-unicode && echo "--enable-unicode=ucs4" || echo "--enable-unicode=ucs2") \
+		--infodir='${prefix}/share/info' \
+		--mandir='${prefix}/share/man' \
+		--with-dbmliborder="${dbmliborder}" \
+		--with-libc="" \
+		--enable-loadable-sqlite-extensions \
+		--with-system-expat \
+		--with-system-ffi
+
+	if use threads && grep -q "#define POSIX_SEMAPHORES_NOT_ENABLED 1" pyconfig.h; then
+		eerror "configure has detected that the sem_open function is broken."
+		eerror "Please ensure that /dev/shm is mounted as a tmpfs with mode 1777."
+		die "Broken sem_open function (bug 496328)"
+	fi
+}
+
+src_compile() {
+	# Avoid invoking pgen for cross-compiles.
+	touch Include/graminit.h Python/graminit.c
+
+	cd "${BUILD_DIR}" || die
+	emake
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	cd "${BUILD_DIR}" || die
+
+	# Skip failing tests.
+	local skipped_tests="distutils gdb"
+
+	for test in ${skipped_tests}; do
+		mv "${S}"/Lib/test/test_${test}.py "${T}"
+	done
+
+	# Rerun failed tests in verbose mode (regrtest -w).
+	emake test EXTRATESTOPTS="-w" < /dev/tty
+	local result="$?"
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}"/Lib/test
+	done
+
+	elog "The following tests have been skipped:"
+	for test in ${skipped_tests}; do
+		elog "test_${test}.py"
+	done
+
+	elog "If you would like to run them, you may:"
+	elog "cd '${EPREFIX}/usr/$(get_libdir)/python${SLOT}/test'"
+	elog "and run the tests separately."
+
+	if [[ "${result}" -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	local libdir=${ED}/usr/$(get_libdir)/python${SLOT}
+
+	cd "${BUILD_DIR}" || die
+	emake DESTDIR="${D}" altinstall
+
+	sed -e "s/\(LDFLAGS=\).*/\1/" -i "${libdir}/config/Makefile" || die "sed failed"
+
+	# Backwards compat with Gentoo divergence.
+	dosym python${SLOT}-config /usr/bin/python-config-${SLOT}
+
+	# Fix collisions between different slots of Python.
+	mv "${ED}usr/bin/2to3" "${ED}usr/bin/2to3-${SLOT}"
+	mv "${ED}usr/bin/pydoc" "${ED}usr/bin/pydoc${SLOT}"
+	mv "${ED}usr/bin/idle" "${ED}usr/bin/idle${SLOT}"
+	rm -f "${ED}usr/bin/smtpd.py"
+
+	if use build; then
+		rm -fr "${ED}usr/bin/idle${SLOT}" "${libdir}/"{bsddb,dbhash.py,idlelib,lib-tk,sqlite3,test}
+	else
+		use berkdb || rm -r "${libdir}/"{bsddb,dbhash.py,test/test_bsddb*} || die
+		use sqlite || rm -r "${libdir}/"{sqlite3,test/test_sqlite*} || die
+		use tk || rm -r "${ED}usr/bin/idle${SLOT}" "${libdir}/"{idlelib,lib-tk} || die
+		use elibc_uclibc && rm -fr "${libdir}/"{bsddb/test,test}
+	fi
+
+	use threads || rm -r "${libdir}/multiprocessing" || die
+	use wininst || rm -r "${libdir}/distutils/command/"wininst-*.exe || die
+
+	dodoc "${S}"/Misc/{ACKS,HISTORY,NEWS} || die "dodoc failed"
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		doins -r "${S}"/Tools
+	fi
+	insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
+	local libname=$(printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' | \
+		emake --no-print-directory -s -f - 2>/dev/null)
+	newins "${S}"/Tools/gdb/libpython.py "${libname}"-gdb.py
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${SLOT}
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${SLOT}
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${SLOT/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${SLOT}:" \
+		-i "${ED}etc/conf.d/pydoc-${SLOT}" "${ED}etc/init.d/pydoc-${SLOT}" || die "sed failed"
+
+	# for python-exec
+	python_export python${SLOT} EPYTHON PYTHON PYTHON_SITEDIR
+
+	# if not using a cross-compiler, use the fresh binary
+	if ! tc-is-cross-compiler; then
+		local PYTHON=./python
+		local -x LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}.
+	fi
+
+	echo "EPYTHON='${EPYTHON}'" > epython.py
+	python_domodule epython.py
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${SLOT}" && ! has_version "${CATEGORY}/${PN}:2.7"; then
+		python_updater_warning="1"
+	fi
+}
+
+eselect_python_update() {
+	if [[ -z "$(eselect python show)" || ! -f "${EROOT}usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || ! -f "${EROOT}usr/bin/$(eselect python show --python${PV%%.*})" ]]; then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn "You should switch active version of Python ${PV%%.*} and run"
+		ewarn "'python-updater [options]' to rebuild Python modules."
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+}